Promotion invites fans to vote for their Charlie and the Chocolate Factory cover or to add their own cover by uploading an image

All uploaded images will be moderated before publication

Five winners will be selected at random from all individuals who take part in the promotion by voting for their cover or adding an image

Prize for 5 winners is a commemorative 50th anniversary edition of Charlie and the Chocolate Factory signed by original illustrator Joseph Schindelman provided by Random House, an edition of Charlie and the Chocolate Factory signed by illustrator Quentin Blake provided by Puffin Books, and a selection of Charlie and the Chocolate Factory merchandise

Participating and entering in this promotion is considered a complete release of Facebook by each entrant or participant

This promotion is administrated by the literary estate of Roald Dahl and is in no way sponsored, endorsed or administered by, or associated with, Facebook

All participants are providing information to the literary estate of Roald Dahl directly and not to Facebook.

Participants' information will be used for administration of the competition only and for no other purpose

Entrants must be over the age of 13

Prizes are strictly non-transferable.

Winners will be selected at random by members of the Roald Dahl Literary Estate

Winners will be notified via email by a member of the Roald Dahl Literary Estate’s digital team using the email address contact@roalddahl.com

Winners must respond to this notification within 5 days of receipt of message or they forfeit their prize and another winner will be selected.

Winners will be contacted by email by 5pm on Friday 17/10/2014

There is no cash or other alternative to the prize stated and the prize is non-transferable and no part or parts of the prize may be substituted for other benefits, items or additions

By entering, all entrants consent to the use of their personal data by the Promoter for the purposes of the administration of this prize draw and any other purposes to which the entrant has consented

By entering, the winner agrees to take part in reasonable post event publicity and to the use of their names and photographs in such publicity

The Promoter's decision is final and binding on the entrants - no correspondence will be entered into